// Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
// Licensed under the 【火山方舟】原型应用软件自用许可协议
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at 
//     https://www.volcengine.com/docs/82379/1433703
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License. 

import { createContext, Dispatch, MutableRefObject } from 'react';
import { AnnoRef } from '@/components/DrawingBoard';

interface IChatContext {
  previewConfig: {
    showInterruptBtn: boolean;
    showCaption: boolean;
  };
  setPreviewConfig: Dispatch<
    React.SetStateAction<{
      showInterruptBtn: boolean;
      showCaption: boolean;
    }>
  >;
  chatState: EChatState;
  isCameraOn: boolean;
  start: () => Promise<void>;
  stop: () => void;
  interrupt: () => Promise<void>;

  streamRef: MutableRefObject<MediaStream | undefined>;
  //
  userPrompt: string;
  userAudioWaveHeights: { bar1: number; bar2: number; bar3: number };
  botContent: string;
  //
  playVideoWithStream: () => void;
  frameCanvasRef: React.RefObject<HTMLCanvasElement>;
  annoRef: React.RefObject<AnnoRef>;
  videoRef: React.RefObject<HTMLVideoElement>;
}

export enum EChatState {
  Idle,
  UserSpeaking,
  BotThinking,
  BotSpeaking,
}

export const ChatContext = createContext<IChatContext>({} as unknown as never);
